The Fascor FH10-10 return spring is a replacement component for the FH10-10 hand riveter, ensuring smooth operation and consistent clamping force during riveting applications. This precision-engineered spring restores the original performance of your riveter, making it essential for maintaining reliable riveting on sheet metal, panel assembly, and general fabrication work. Ideal for electricians, sheet metal workers, and maintenance technicians who rely on hand riveters for daily production.